Code Quiz of Day

Emergency System Capacity

Feb. 3, 2015

Article 700 applies to the installation, operation and maintenance of emergency systems.

A portable or temporary alternate source _____ whenever the emergency generator for emergency systems is out of service for major maintenance or repair.

a) shall not be required
b) is recommended
c) shall be available
d) shall be avoided

See answer and applicable Code reference

The correct answer is: c) shall be available

Article 700 applies to the installation, operation and maintenance of emergency systems. As noted in the last sentence of Sec. 700.4(B), "A portable or temporary alternate source shall be available whenever the emergency generator is out of service for major maintenance or repair."

About the Author

Mike Holt

Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the Business Administration Program (MBA) from the University of Miami. He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike started his career as an apprentice electrician and eventually became a master electrician, an electrical inspector, a contractor, and an educator. Mike has taught more than 1,000 classes on 30 different electrical-related subjects — ranging from alarm installations to exam preparation and voltage drop calculations. He continues to produce seminars, videos, books, and online training for the trade as well as contribute monthly Code content to EC&M magazine.